问题
选择题
— Do you know him well?
— Sure, we _____ friends since ten years ago. [ ]
A. were
B. have been
C. have become
D. have made
答案
答案：B
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— Do you know him well?
— Sure, we _____ friends since ten years ago. [ ]
A. were
B. have been
C. have become
D. have made
答案：B